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| author | Hollis Blanchard <hollisb@us.ibm.com> | 2009-01-03 16:23:13 -0600 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 11:02:59 +0200 |
| commit | bb3a8a178dec1e46df3138a30f76acf67fe12397 (patch) | |
| tree | 175effadbcdc3efb79e6b96a9f307052afaba46b /arch/powerpc/kvm/e500.c | |
| parent | bdc89f13ec955c14777d5caf02dfca3f51d639bd (diff) | |
| download | talos-obmc-linux-bb3a8a178dec1e46df3138a30f76acf67fe12397.tar.gz talos-obmc-linux-bb3a8a178dec1e46df3138a30f76acf67fe12397.zip | |
KVM: ppc: Add extra E500 exceptions
e500 has additional interrupt vectors (and corresponding IVORs) for SPE and
performance monitoring interrupts.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/e500.c')
| -rw-r--r-- | arch/powerpc/kvm/e500.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c index 7992da497cd4..d8067fd81cdd 100644 --- a/arch/powerpc/kvm/e500.c +++ b/arch/powerpc/kvm/e500.c @@ -21,6 +21,7 @@ #include <asm/kvm_e500.h> #include <asm/kvm_ppc.h> +#include "booke.h" #include "e500_tlb.h" void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu) @@ -133,12 +134,29 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu) static int kvmppc_e500_init(void) { - int r; + int r, i; + unsigned long ivor[3]; + unsigned long max_ivor = 0; r = kvmppc_booke_init(); if (r) return r; + /* copy extra E500 exception handlers */ + ivor[0] = mfspr(SPRN_IVOR32); + ivor[1] = mfspr(SPRN_IVOR33); + ivor[2] = mfspr(SPRN_IVOR34); + for (i = 0; i < 3; i++) { + if (ivor[i] > max_ivor) + max_ivor = ivor[i]; + + memcpy((void *)kvmppc_booke_handlers + ivor[i], + kvmppc_handlers_start + (i + 16) * kvmppc_handler_len, + kvmppc_handler_len); + } + flush_icache_range(kvmppc_booke_handlers, + kvmppc_booke_handlers + max_ivor + kvmppc_handler_len); + return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), THIS_MODULE); } |
